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Core idea of incremental development

publish date: 2026/05/29 08:22:38.153769 UTC

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Incremental development is presented as an alternative to the strictly phased waterfall model.

Which statement best describes the core idea of incremental development?

The system is developed and delivered in a series of versions, each adding functionality.

All functionality is delivered in a single release after all phases are completed.

Only the user interface is developed incrementally; the rest is waterfall.

The system is developed entirely by reusing existing components.

The system is developed and delivered in a series of versions, each adding functionality.

Incremental development builds the system in multiple increments, with each increment extending the previous one with additional features.

Software Engineering, Ian Sommerville, 9th edition